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Summary: Inherited Constants | Fields | Ctors | Methods | Inherited Methods

# AccessibilityNodeInfo.TouchDelegateInfo

`public static final class AccessibilityNodeInfo.TouchDelegateInfo`
`extends Object` `implements Parcelable`

java.lang.Object
↳ | android.view.accessibility.AccessibilityNodeInfo.TouchDelegateInfo

Class with information of touch delegated views and regions from `TouchDelegate` for the `AccessibilityNodeInfo`.

See also:

- `AccessibilityNodeInfo.setTouchDelegateInfo(TouchDelegateInfo)`

## Summary

### Inherited constants
From interface `android.os.Parcelable`
`int` | `CONTENTS_FILE_DESCRIPTOR` Descriptor bit used with `describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor.
`int` | `PARCELABLE_WRITE_RETURN_VALUE` Flag for use with `writeToParcel(Parcel, int)`: the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`".

### Fields
`public static final Creator<AccessibilityNodeInfo.TouchDelegateInfo>` | `CREATOR`

### Public constructors
`TouchDelegateInfo(Map<Region, View> targetMap)` Create a new instance of `TouchDelegateInfo`.

### Public methods
`int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`Region` | `getRegionAt(int index)` Return the `Region` at the given index in the `TouchDelegateInfo`.
`int` | `getRegionCount()` Returns the number of touch delegate target region.
`AccessibilityNodeInfo` | `getTargetForRegion(Region region)` Return the target `AccessibilityNodeInfo` for the given `Region`.
`void` | `writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.
From interface `android.os.Parcelable`
`abstract int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`abstract void` | `writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

## Fields

### CREATOR

    public static final Creator<AccessibilityNodeInfo.TouchDelegateInfo> CREATOR

See also:

- `Parcelable.Creator`

## Public constructors

### TouchDelegateInfo

    public TouchDelegateInfo (Map<Region, View> targetMap)

Create a new instance of `TouchDelegateInfo`.

Parameters
`targetMap` | `Map`: A map from regions (in view coordinates) to delegated views. This value cannot be `null`.

Throws
`IllegalArgumentException` | if targetMap is empty or `null` in Regions or Views.

## Public methods

### describeContents

    public int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of `writeToParcel(android.os.Parcel, int)`, the return value of this method must include the `CONTENTS_FILE_DESCRIPTOR` bit.

Returns
`int` | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or `CONTENTS_FILE_DESCRIPTOR`

### getRegionAt

    public Region getRegionAt (int index)

Return the `Region` at the given index in the `TouchDelegateInfo`.

Parameters
`index` | `int`: The desired index, must be between 0 and `getRegionCount()`-1.

Returns
`Region` | Returns the `Region` stored at the given index. This value cannot be `null`.

### getRegionCount

    public int getRegionCount ()

Returns the number of touch delegate target region.

Returns
`int` | Number of touch delegate target region.

### getTargetForRegion

    public AccessibilityNodeInfo getTargetForRegion (Region region)

Return the target `AccessibilityNodeInfo` for the given `Region`.

Note: This api can only be called from `AccessibilityService`.

Note: It is a client responsibility to recycle the received info by calling `AccessibilityNodeInfo#recycle()` to avoid creating of multiple instances.

Parameters
`region` | `Region`: The region retrieved from `getRegionAt(int)`. This value cannot be `null`.

Returns
`AccessibilityNodeInfo` | The target node associates with the given region. This value may be `null`.

### writeToParcel

    public void writeToParcel (Parcel dest,
                    int flags)

Flatten this object in to a Parcel.

Parameters
`dest` | `Parcel`: The Parcel in which the object should be written.
`flags` | `int`: Additional flags about how the object should be written. May be 0 or `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES

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